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Message: <blockquote data-quote="Boulderguy" data-source="post: 2603857" data-attributes="member: 572916">To find the positive/neg terminals, take a D battery &amp; touch pos/neg ends to the speaker terminals on a set of speakers that have pos/neg marked - you may have to tape wires to each side of the battery to do this &amp; make sure pos ono the battery goes to pos on the speaker.  The cone will either push forward or retract while connected.  Note which way it goes.Now go to one of your unmarked speakers &amp; do the same thing.  Reverse the battery to reverse the cone movement until you get the same response you did with the other speaker.  Pos on the battery = pos on the speaker so long as the cone movements match the other speaker.</blockquote>

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